II - DCE FEL ČVUT v Praze

Wire end ferrule
Fig. 1-2 Installing the connection lines for the load voltage in the line chamber.
Outside diameter of wires > 2 mm (view from below)
Wire end ferrule
Mechanical Configuration of an Automation System with SIMATIC S7 Ex Modules
Fig. 1-3 Installing the L+ conductor in a loop in the line chamber.
Outside diameter of wires < 2 mm (view from below)
I/O Modules with Intrinsically-Safe Signals
C79000-G7076-C152-04
Wire end ferrule
L+
M
Wire diameter
> 2 mm
Wire end ferrule
L+
M
Wire diameter
< 2 mm
Note
Use Ex I/O modules which require a 24V load voltage only with the line
chamber LK 393. It is necessary for ensuring the modules are used for their
intended purpose.
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